Clock



FIG. 1 is a perspective view of an clock, showing my new design;

FIG. 2 is a front elevational view of the invention;

FIG. 3 is a rear elevational view of the invention;

FIG. 4 is a left-side elevational view of the invention, the right side and top plan view being a mirror image thereof;

FIG. 5 is a bottom plan view of the invention. 

The ornamental design for a clock, as shown and described. 